63040016636 has 6 divisors (see below), whose sum is σ = 110320029120. Its totient is φ = 31520008316.

The previous prime is 63040016617. The next prime is 63040016639. The reversal of 63040016636 is 63661004036.

It is a junction number, because it is equal to n+sod(n) for n = 63040016596 and 63040016605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63040016639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7880002076 + ... + 7880002083.

It is an arithmetic number, because the mean of its divisors is an integer number (18386671520).

Almost surely, 2^63040016636 is an apocalyptic number.

It is an amenable number.

63040016636 is a deficient number, since it is larger than the sum of its proper divisors (47280012484).

63040016636 is a wasteful number, since it uses less digits than its factorization.

63040016636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15760004163 (or 15760004161 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 63040016636 in words is "sixty-three billion, forty million, sixteen thousand, six hundred thirty-six".